The Schneider Electric BMXNOM0200 is a high-performance serial communication module designed for use in the Modicon M340 programmable logic controller (PLC) system. This module provides two independently configurable serial communication ports, supporting RS232/RS485 interfaces and multiple communication protocols such as Modbus Master/Slave and ASCII.

Engineered to meet the requirements of demanding industrial environments, the BMXNOM0200 allows seamless integration of serial devices, enabling Modicon M340 PLCs to communicate with a broad range of legacy and third-party equipment. It is ideal for applications where reliability, flexibility, and ease of configuration are essential.

Technical Specifications

Applications

The BMXNOM0200 module is widely used in various industrial and commercial automation systems due to its versatility in handling serial communications:

• Legacy Equipment Integration – Allows modern PLCs to interface with older RS232/RS485-based devices.

• Energy Management Systems – Connects to serial-based meters, sensors, and IEDs.

• Building Automation – Interfaces with HVAC controllers, sensors, and room control systems.

• Water and Wastewater – Communicates with flow meters, analyzers, and valve controllers.

• Manufacturing Lines – Connects to barcode scanners, label printers, and HMI devices.

• Transportation Systems – Used in communication with traffic control panels and railway equipment.

Advantages

• Dual-Port Communication: Two independent ports provide flexibility in managing multiple devices and protocols simultaneously.

• Broad Protocol Support: Native support for Modbus (Master/Slave) and ASCII enables seamless integration with most industrial equipment.

• Compact Design: Space-efficient size makes it ideal for installations with limited panel space.

• Easy Configuration: Software-based configuration through Unity Pro or EcoStruxure Control Expert ensures fast deployment.

• Reliable Isolation: Galvanic isolation ensures electrical safety and signal integrity in noisy industrial environments.

• Modicon Integration: Designed specifically for the M340 PLC, ensuring compatibility and ease of system design.

Frequently Asked Questions (FAQ)

1. Q: What is the primary function of the BMXNOM0200 module?

   A: It allows Modicon M340 PLCs to communicate with serial devices using RS232 or RS485 protocols.

2. Q: How many communication ports are available on this module?

   A: There are two independently configurable serial ports.

3. Q: Does it support both Modbus Master and Slave modes?

   A: Yes, each port can be configured as either a Modbus Master or Slave.

4. Q: Is the configuration of the module done through software?

   A: Yes, configuration is managed via Schneider’s Unity Pro or EcoStruxure Control Expert software.

5. Q: What is the maximum supported baud rate?

   A: The module supports communication speeds up to 115.2 kbps.

6. Q: Can this module be used in harsh industrial environments?

   A: Yes, it is designed with vibration, shock, and temperature resistance, and features robust isolation.

7. Q: Is it compatible with third-party devices?

   A: Yes, it can communicate with any device supporting RS232/RS485 using Modbus or ASCII protocols.

8. Q: Is the module hot-swappable?

   A: No, power must be turned off before inserting or removing the module.

9. Q: What diagnostic features are available?

   A: It provides port activity status, error counters, and communication diagnostics.

10. Q: What tools are needed for module configuration?

    A: Unity Pro or EcoStruxure Control Expert software is required for configuration.